A 3-year-old castrated male domestic shorthaired cat was presented to the emergency service for evaluation of acute severe lethargy, anorexia and vomiting. He has been strictly outdoors and was previously in good health. His last annual examination and blood work were performed 2 weeks ago, and they were within normal limits.
Today, his physical examination showed a body temperature of 97F (36.1C), heart rate of 140 beats per minute, respiratory rate of 44 breaths per minute, stuporous mentation, poor femoral pulses, pale pink mucous membranes, unkempt haircoat and dehydration of at least 7-8%. An ECG, venous blood gas, and thoracic/abdominal point-of-care ultrasound (POCUS) were performed during the primary survey as the intravenous catheter was being placed.
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